import pygame


class Button:
    def __init__(self, screen,msg):
        self.screen = screen;

        self.screen_rect = screen.get_rect();
        self.button_color = (0, 255, 0)
        self.text_color = (255, 255, 255)
        self.font = pygame.font.SysFont('arial', 30)
        self.width, self.height = 200, 50
        print(pygame.font.get_fonts())

        # 创建按钮的rect，并让其居中
        self.rect = pygame.Rect(0, 0, self.width, self.height)
        self.rect.center = self.screen_rect.center;
        self.prep_msg(msg);

    def prep_msg(self, msg):
        self.msg_image = self.font.render(msg,True,self.text_color,self.button_color)
        self.msg_image_rect = self.msg_image.get_rect();
        self.msg_image_rect.center = self.rect.center;

    def draw_button(self):
        self.screen.fill(self.button_color, self.rect)
        self.screen.blit(self.msg_image, self.msg_image_rect)





